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STOCK-BASED COMPENSATION, Equity Incentive Plans (Details) - shares | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2021 | Sep. 03, 2021 | May 31, 2021 | May 15, 2021
2020 Equity Incentive Plan [Member] |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |
Percentage of number of shares of common stock outstanding |  | 5.00% |  |
2020 Equity Incentive Plan [Member] | Minimum [Member] |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |
Stock-based compensation shares authorized (in shares) |  | 5,116,132 |  |
2020 Equity Incentive Plan [Member] | Maximum [Member] |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |
Stock-based compensation shares authorized (in shares) |  | 8,484,936 |  |
2020 Equity Incentive Plan [Member] | Stock Option [Member] |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |
Stock option outstanding (in shares) | 0 |  |  |
2020 Equity Incentive Plan [Member] | Stock Option [Member] | Maximum [Member] |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |
Stock-based compensation shares authorized (in shares) |  |  |  | 3,368,804
2020 Equity Incentive Plan [Member] | Incentive Stock Options [Member] | Maximum [Member] |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |
Stock based compensation stock option term period | 10 years |  |  |
2020 Equity Incentive Plan [Member] | Nonqualified Stock Option [Member] | Maximum [Member] |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |
Stock based compensation stock option term period | 10 years |  |  |
2021 Inducement Plan [Member] |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |
Stock-based compensation shares authorized (in shares) |  |  | 1,500,000 |
2021 Inducement Plan [Member] | Stock Option [Member] |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |
Stock option outstanding (in shares) | 372,880 |  |  |
2021 Inducement Plan [Member] | RSU [Member] |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |
Stock units outstanding (in shares) | 221,640 |  |  |

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